Answer:
economic dimension
Explanation:
Based on the information provided within the question it seems that this trend affects the location of many businesses and is part of the economic dimension in which they operate. This can be said because economic dimension refers to all the economic outputs that occur because of a certain event. In this scenario the back and forth of people moving to or from the suburbs causes business to either increase or decrease in value because of the amount of people that are around to buy from their stores. Therefore it greatly affects the businesses economy.
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